MongoDB is a free and open-source cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with schemas. MongoDB is developed by MongoDB Inc. and is free and open-source, published under a combination of the GNU Affero General Public License and the Apache License.MangoDB support several operating system such as Windows, Mac , Linux and FreeBSD.Main features of MangoDB are ad hoc queries, indexing, replication ,load balancing,File Storge,Aggregation, server-side JavaScript Excuation and Capped collections.

Django is open-source web framework, written in Python. Django follows the model-view-template (MVT) architectural pattern.It is maintained by the Django Software Foundation (DSF), an independent organization established as a 501 non-profit.

Django’s primary goal is to ease the creation of complex, database-driven websites. Django emphasizes reusability and “pluggability” of components, rapid development, and the principle of don’t repeat yourself. Python is used throughout, even for settings files and data models. Django also provides an optional administrative create, read, update and delete interface that is generated dynamically through introspection and configured via admin models.

Famous well-known sites use Django include the Public Broadcasting Service,Pinterest,Instagram, Mozilla, The Washington Times etc .Download Django framework.